public static Texture2D GetTexture(DitherMode mode)
{
if (_textures.ContainsKey(mode))
{
return(_textures[mode]);
}
var tex = new Texture2D(8, 8, TextureFormat.RGBA32, false);
tex.filterMode = FilterMode.Point;
var pixels = new Color32[tex.width * tex.height];
for (int i = 0; i < pixels.Length; i++)
{
int x = i % tex.width;
int y = i / tex.height;
float ditherVal = GetLimit(mode, x, y);
byte b = (byte)(255 * ditherVal);
pixels[i] = new Color32(b, b, b, 255);
}
tex.SetPixels32(pixels);
tex.Apply();
_textures[mode] = tex;
return(tex);
}
public void ConvertImage(MagickImage image)
{
double scale = ImageScaleSlider.Value;
PixelInterpolateMethod method = (PixelInterpolateMethod)InterpolationSelection.SelectedItem;
DitherMode dither = (DitherMode)DitherModeSelection.SelectedItem;
BitMode mode = (BitMode)BitModeSelection.SelectedItem;
currentWindow?.ConvertImage(image, scale, method, dither, mode);
}
private static float GetLimit(DitherMode mode, int x, int y)
{
switch (mode)
{
case DitherMode.Bayer2x2: return(Bayer2x2[((y & 1) << 1) + (x & 1)]);
case DitherMode.Bayer4x4: return(Bayer4x4[((y & 3) << 2) + (x & 3)]);
case DitherMode.Bayer8x8: return(Bayer8x8[((y & 7) << 3) + (x & 7)]);
case DitherMode.Cluster4x4: return(Bayer4x4[((y & 3) << 2) + (x & 3)]);
case DitherMode.Cluster8x8: return(Bayer8x8[((y & 7) << 3) + (x & 7)]);
default: return(1);
}
}
public static int GetDitherSize(DitherMode mode)
{
switch (mode)
{
case DitherMode.Bayer2x2: return(2);
case DitherMode.Bayer4x4: return(4);
case DitherMode.Bayer8x8: return(8);
case DitherMode.Cluster4x4: return(4);
case DitherMode.Cluster8x8: return(8);
default: return(1);
}
}
public void Initialization()
{
mCachedDensity = -1;
mCachedRadias = -1;
Dither = DitherMode.Off;
InstanceMaterial.enableInstancing = true;
if (Indirect)
{
InstanceMaterial.shader = UnityUtils.FindShader("SAO_TJia_V3/Grass/TjiaInstancedGrassShader");
mArgsBuffer = new ComputeBuffer(1, args.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
UpdateBuffers();
}
else
{
InstanceMaterial.shader = UnityUtils.FindShader("SAO_TJia_V3/Grass/TjiaDirectInstancedGrassShader");
mTransMatrixList = new List <Matrix4x4[]>();
UpdateBuffersDirect();
}
}
public Color32[] ApplyToTexture(Texture2D target, DitherMode mode)
{
var src_pixels = target.GetPixels32();
var out_pixels = new Color32[src_pixels.Length];
for (int y = 0; y < target.height; y++)
{
for (int x = 0; x < target.width; x++)
{
int ofs = x + y * target.width;
Color32 c = src_pixels[ofs];
if (c.a <= 0)
{
out_pixels[ofs] = Color.clear;
continue;
}
byte alpha = c.a;
int First, Second;
GetNearestDitherIndices(c, out First, out Second);
Color32 A = colors[First];
Color32 B = colors[Second];
float Val = ColorFindInterpolation(c, A, B);
var ditherVal = DitherUtils.ColorDither(mode, x, y, Val);
c = ditherVal ? B : A;
Val = (float)alpha / 255.0f;
ditherVal = DitherUtils.ColorDither(mode, x, y, Val);
alpha = (byte)(ditherVal ? 255 : 0);
//Current := ColorGrey(255 * DitherVal);
c = new Color32(c.b, c.g, c.b, alpha);
out_pixels[ofs] = c;
}
}
return(out_pixels);
}
public int[] ApplyToTextureAsIndices(Texture2D target, DitherMode mode)
{
var src_pixels = target.GetPixels32();
var out_indices = new int[src_pixels.Length];
for (int y = 0; y < target.height; y++)
{
for (int x = 0; x < target.width; x++)
{
int ofs = x + y * target.width;
Color32 c = src_pixels[ofs];
if (c.a <= 0)
{
out_indices[ofs] = -1;
continue;
}
byte alpha = c.a;
int First, Second;
GetNearestDitherIndices(c, out First, out Second);
Color32 A = colors[First];
Color32 B = colors[Second];
if (A.Equals(B))
{
out_indices[ofs] = First;
}
else
{
float Val = ColorFindInterpolation(c, A, B);
var ditherVal = DitherUtils.ColorDither(mode, x, y, Val);
out_indices[ofs] = (ditherVal ? Second : First);
}
}
}
return(out_indices);
}
public virtual void ConvertImage(MagickImage image, double scale, PixelInterpolateMethod pixelInterpolate, DitherMode dither, BitMode bitMode)
{
image.InterpolativeResize(Math.Max(1, (int)(image.Width * scale)), Math.Max(1, (int)(image.Height * scale)), pixelInterpolate);
if (dither == DitherMode.Riemersma || dither == DitherMode.FloydSteinberg || dither == DitherMode.None)
{
image.Quantize(new QuantizeSettings()
{
DitherMethod = (DitherMethod)dither,
Colors = 256,
ColorSpace = ColorSpace.sRGB,
TreeDepth = 100
});
}
else
{
image.OrderedDither(dither.ToString());
}
}
public static int ColorDitherMultiplier(DitherMode mode, int x, int y, float value)
{
float limit = GetLimit(mode, x, y);
return(value >= limit ? 1 : 0);
}
public static bool ColorDither(DitherMode mode, int x, int y, float value)
{
float limit = GetLimit(mode, x, y);
return(value >= limit);
}
void OnGUI()
{
GUILayout.Label("Convert a texture to 8bits", EditorStyles.boldLabel);
sourceTexture = (Texture2D)EditorGUILayout.ObjectField("Source Texture", sourceTexture, typeof(Texture2D), false);
palTexture = (Texture2D)EditorGUILayout.ObjectField("Palette Texture", palTexture, typeof(Texture2D), false);
path = EditorGUILayout.TextField("Destination Path", path);
ditherMode = (DitherMode)EditorGUILayout.EnumPopup("Dither Mode", ditherMode);
if (GUILayout.Button("Convert"))
{
var palette = new ColorTable();
palette.LoadFromTexture(palTexture);
var indices = palette.ApplyToTextureAsIndices(sourceTexture, ditherMode);
var tex = new Texture2D(sourceTexture.width, sourceTexture.height, TextureFormat.ARGB32, false);
tex.filterMode = FilterMode.Point;
var colors = new Color32[indices.Length];
for (int i = 0; i < colors.Length; i++)
{
var index = indices[i];
if (index < 0)
{
colors[i] = Color.clear;
}
else
{
float n = index / (float)(palTexture.width - 1);
byte k = (byte)(n * 255);
colors[i] = new Color32(k, k, k, 255);
}
}
tex.SetPixels32(colors);
tex.Apply();
string targetPath = string.IsNullOrEmpty(path) ? Application.dataPath : Path.Combine(Application.dataPath, path);
Directory.CreateDirectory(targetPath);
//var targetPath = "Assets";
string fileName = sourceTexture.name;
string tag = "_" + palTexture.name;
if (!fileName.Contains(tag))
{
fileName += tag;
}
fileName += ".png";
targetPath = Path.Combine(targetPath, fileName);
Debug.Log("Trying export 8bit texture to " + targetPath);
/*AssetDatabase.CreateAsset(tex, targetPath);
* var sprite = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(0.5f, 0.5f));
* AssetDatabase.CreateAsset(sprite, targetPath.Replace("_8bit", "_spr"));*/
File.WriteAllBytes(targetPath, tex.EncodeToPNG());
AssetDatabase.Refresh();
/*Texture2D temp = (Texture2D)AssetDatabase.LoadAssetAtPath(targetPath, typeof(Texture2D));
* temp.filterMode = FilterMode.Point;
*
* AssetDatabase.SaveAssets();*/
}
}
public override void ConvertImage(MagickImage image, double scale, PixelInterpolateMethod pixelInterpolate, DitherMode dither, BitMode bitMode)
{
Reset();
Mode = bitMode;
int[] size = Utils.LCDSizeToNum((LCDSize)Converter.Instance.LCDSizeSelection.SelectedItem);
image.InterpolativeResize(size[1] * Y, size[0] * X, pixelInterpolate);
image.Depth = bitMode == BitMode.Bit3 ? 3 : 5;
image.Settings.Compression = CompressionMethod.NoCompression;
if (dither == DitherMode.Riemersma || dither == DitherMode.FloydSteinberg || dither == DitherMode.None)
{
image.Quantize(new QuantizeSettings()
{
Colors = bitMode == BitMode.Bit3 ? 8 : 32, DitherMethod = (DitherMethod)dither, ColorSpace = ColorSpace.sRGB, TreeDepth = 100
});
}
else
{
image.Quantize(new QuantizeSettings()
{
Colors = bitMode == BitMode.Bit3 ? 8 : 32, DitherMethod = DitherMethod.No, ColorSpace = ColorSpace.sRGB, TreeDepth = 100
});
image.OrderedDither(dither.ToString());
}
}
